./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:20:19,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:20:19,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:20:19,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:20:19,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:20:19,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:20:19,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:20:19,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:20:19,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:20:19,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:20:19,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:20:19,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:20:19,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:20:19,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:20:19,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:20:19,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:20:19,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:20:19,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:20:19,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:20:19,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:20:19,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:20:19,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:20:19,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:20:19,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:20:19,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:20:19,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:20:19,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:20:19,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:20:19,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:20:19,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:20:19,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:20:19,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:20:19,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:20:19,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:20:19,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:20:19,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:20:19,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:20:19,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:20:19,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:20:19,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:20:19,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:20:19,803 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:20:19,831 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:20:19,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:20:19,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:20:19,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:20:19,832 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:20:19,832 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:20:19,833 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:20:19,833 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:20:19,833 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:20:19,833 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:20:19,833 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:20:19,833 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:20:19,834 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:20:19,834 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:20:19,834 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:20:19,834 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:20:19,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:20:19,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:20:19,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:20:19,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:20:19,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:20:19,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:20:19,836 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:20:19,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:20:19,837 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:20:19,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:20:19,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:20:19,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:20:19,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:20:19,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:20:19,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:20:19,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:20:19,838 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:20:19,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:20:19,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:20:19,839 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:20:19,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:20:19,839 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb [2021-11-12 23:20:20,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:20:20,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:20:20,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:20:20,127 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:20:20,127 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:20:20,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2021-11-12 23:20:20,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/data/c2a524e08/4b1ce2d4b50f480383aeec9150cf0141/FLAGf18352387 [2021-11-12 23:20:21,078 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:20:21,080 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2021-11-12 23:20:21,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/data/c2a524e08/4b1ce2d4b50f480383aeec9150cf0141/FLAGf18352387 [2021-11-12 23:20:21,568 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/data/c2a524e08/4b1ce2d4b50f480383aeec9150cf0141 [2021-11-12 23:20:21,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:20:21,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:20:21,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:20:21,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:20:21,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:20:21,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:20:21" (1/1) ... [2021-11-12 23:20:21,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b9af66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:21, skipping insertion in model container [2021-11-12 23:20:21,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:20:21" (1/1) ... [2021-11-12 23:20:21,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:20:21,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:20:22,053 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4497,4510] [2021-11-12 23:20:22,064 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4557,4570] [2021-11-12 23:20:22,091 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:20:22,099 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:20:23,028 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:23,029 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:23,033 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:23,034 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:23,037 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:23,054 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:23,055 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:23,057 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:23,062 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:23,540 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:20:23,541 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:20:23,542 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:20:23,544 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:20:23,546 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:20:23,547 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:20:23,548 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:20:23,549 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:20:23,549 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:20:23,550 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:20:23,747 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:20:23,878 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:23,878 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:23,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:20:24,085 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:20:24,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1de553cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:24, skipping insertion in model container [2021-11-12 23:20:24,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:20:24,089 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:20:24,091 INFO L158 Benchmark]: Toolchain (without parser) took 2515.05ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 66.2MB in the beginning and 100.4MB in the end (delta: -34.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-12 23:20:24,092 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:20:24,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2511.71ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 66.2MB in the beginning and 100.4MB in the end (delta: -34.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-12 23:20:24,095 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2511.71ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 66.2MB in the beginning and 100.4MB in the end (delta: -34.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6990]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:20:26,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:20:26,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:20:26,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:20:26,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:20:26,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:20:26,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:20:26,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:20:26,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:20:26,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:20:26,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:20:26,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:20:26,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:20:26,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:20:26,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:20:26,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:20:26,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:20:26,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:20:26,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:20:26,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:20:26,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:20:26,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:20:26,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:20:26,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:20:26,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:20:26,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:20:26,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:20:26,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:20:26,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:20:26,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:20:26,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:20:26,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:20:26,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:20:26,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:20:26,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:20:26,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:20:26,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:20:26,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:20:26,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:20:26,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:20:26,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:20:26,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:20:26,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:20:26,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:20:26,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:20:26,630 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:20:26,630 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:20:26,630 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:20:26,631 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:20:26,631 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:20:26,631 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:20:26,632 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:20:26,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:20:26,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:20:26,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:20:26,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:20:26,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:20:26,636 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:20:26,636 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:20:26,637 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:20:26,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:20:26,637 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:20:26,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:20:26,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:20:26,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:20:26,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:20:26,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:20:26,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:20:26,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:20:26,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:20:26,640 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:20:26,640 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:20:26,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:20:26,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:20:26,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:20:26,641 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb [2021-11-12 23:20:27,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:20:27,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:20:27,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:20:27,091 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:20:27,092 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:20:27,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2021-11-12 23:20:27,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/data/95089ee8f/ac2a708ed51b4f6198604500e3bb1b64/FLAGedf8d29d8 [2021-11-12 23:20:28,043 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:20:28,044 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2021-11-12 23:20:28,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/data/95089ee8f/ac2a708ed51b4f6198604500e3bb1b64/FLAGedf8d29d8 [2021-11-12 23:20:28,507 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/data/95089ee8f/ac2a708ed51b4f6198604500e3bb1b64 [2021-11-12 23:20:28,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:20:28,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:20:28,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:20:28,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:20:28,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:20:28,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:20:28" (1/1) ... [2021-11-12 23:20:28,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf6ed1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:28, skipping insertion in model container [2021-11-12 23:20:28,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:20:28" (1/1) ... [2021-11-12 23:20:28,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:20:28,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:20:29,013 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4497,4510] [2021-11-12 23:20:29,020 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4557,4570] [2021-11-12 23:20:29,047 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:20:29,053 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:20:30,548 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:30,549 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:30,550 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:30,552 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:30,553 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:30,596 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:30,597 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:30,599 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:30,600 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:31,112 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:20:31,113 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:20:31,115 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:20:31,116 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:20:31,122 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:20:31,123 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:20:31,124 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:20:31,125 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:20:31,127 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:20:31,129 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:20:31,348 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:20:31,513 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:31,515 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:31,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:20:31,704 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:20:31,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:20:31,805 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4497,4510] [2021-11-12 23:20:31,806 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4557,4570] [2021-11-12 23:20:31,807 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:20:31,808 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:20:31,852 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:31,852 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:31,853 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:31,853 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:31,854 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:31,863 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:31,864 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:31,865 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:31,865 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:31,914 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:20:31,915 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:20:31,916 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:20:31,917 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:20:31,917 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:20:31,918 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:20:31,918 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:20:31,919 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:20:31,919 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:20:31,920 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:20:31,948 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:20:32,045 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:32,045 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:32,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:20:32,137 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:20:32,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4497,4510] [2021-11-12 23:20:32,166 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4557,4570] [2021-11-12 23:20:32,168 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:20:32,169 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:20:32,220 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:32,220 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:32,220 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:32,221 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:32,221 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:32,227 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:32,227 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:32,228 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:32,229 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:32,255 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:20:32,256 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:20:32,256 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:20:32,257 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:20:32,258 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:20:32,258 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:20:32,258 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:20:32,259 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:20:32,259 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:20:32,260 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:20:32,276 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:20:32,370 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:32,383 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:20:32,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:20:32,760 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:20:32,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:32 WrapperNode [2021-11-12 23:20:32,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:20:32,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:20:32,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:20:32,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:20:32,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:32" (1/1) ... [2021-11-12 23:20:32,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:32" (1/1) ... [2021-11-12 23:20:33,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:20:33,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:20:33,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:20:33,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:20:33,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:32" (1/1) ... [2021-11-12 23:20:33,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:32" (1/1) ... [2021-11-12 23:20:33,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:32" (1/1) ... [2021-11-12 23:20:33,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:32" (1/1) ... [2021-11-12 23:20:33,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:32" (1/1) ... [2021-11-12 23:20:33,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:32" (1/1) ... [2021-11-12 23:20:33,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:32" (1/1) ... [2021-11-12 23:20:33,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:20:33,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:20:33,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:20:33,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:20:33,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:32" (1/1) ... [2021-11-12 23:20:33,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:20:33,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:20:33,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:20:33,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:20:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2021-11-12 23:20:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2021-11-12 23:20:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2021-11-12 23:20:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2021-11-12 23:20:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:20:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-12 23:20:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-12 23:20:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:20:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:20:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:20:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-12 23:20:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:20:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:20:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 23:20:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 23:20:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:20:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:20:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:20:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:20:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:20:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:20:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:20:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:20:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-12 23:20:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-12 23:20:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:20:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:20:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:20:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:20:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:20:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:20:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:20:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:20:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:20:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:20:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:20:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-12 23:20:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-12 23:20:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-12 23:20:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-12 23:20:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-12 23:20:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:20:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:20:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:20:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:20:50,689 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:20:50,690 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:20:50,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:20:50 BoogieIcfgContainer [2021-11-12 23:20:50,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:20:50,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:20:50,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:20:50,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:20:50,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:20:28" (1/3) ... [2021-11-12 23:20:50,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de45559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:20:50, skipping insertion in model container [2021-11-12 23:20:50,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:20:32" (2/3) ... [2021-11-12 23:20:50,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de45559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:20:50, skipping insertion in model container [2021-11-12 23:20:50,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:20:50" (3/3) ... [2021-11-12 23:20:50,704 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_u8_harness.i [2021-11-12 23:20:50,710 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:20:50,710 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:20:50,774 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:20:50,779 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:20:50,779 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:20:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 79 states have (on average 1.240506329113924) internal successors, (98), 80 states have internal predecessors, (98), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2021-11-12 23:20:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-12 23:20:50,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:20:50,811 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:20:50,811 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:20:50,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:20:50,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1117310367, now seen corresponding path program 1 times [2021-11-12 23:20:50,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:20:50,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862260646] [2021-11-12 23:20:50,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:50,841 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:20:50,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:20:50,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:20:50,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:20:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:20:55,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 1913 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:20:55,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:20:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-11-12 23:20:55,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:20:55,744 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-11-12 23:20:55,745 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:20:55,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862260646] [2021-11-12 23:20:55,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862260646] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:20:55,746 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:20:55,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 23:20:55,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188881819] [2021-11-12 23:20:55,749 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:20:55,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:20:55,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:20:55,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:20:55,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:20:55,782 INFO L87 Difference]: Start difference. First operand has 127 states, 79 states have (on average 1.240506329113924) internal successors, (98), 80 states have internal predecessors, (98), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-12 23:20:55,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:20:55,822 INFO L93 Difference]: Finished difference Result 251 states and 369 transitions. [2021-11-12 23:20:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:20:55,825 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 107 [2021-11-12 23:20:55,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:20:55,834 INFO L225 Difference]: With dead ends: 251 [2021-11-12 23:20:55,834 INFO L226 Difference]: Without dead ends: 121 [2021-11-12 23:20:55,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:20:55,843 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.21ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:20:55,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 2.21ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:20:55,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-11-12 23:20:55,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-11-12 23:20:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 74 states have (on average 1.2162162162162162) internal successors, (90), 75 states have internal predecessors, (90), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2021-11-12 23:20:55,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 165 transitions. [2021-11-12 23:20:55,895 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 165 transitions. Word has length 107 [2021-11-12 23:20:55,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:20:55,895 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 165 transitions. [2021-11-12 23:20:55,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-12 23:20:55,896 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 165 transitions. [2021-11-12 23:20:55,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-12 23:20:55,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:20:55,900 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:20:55,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:20:56,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:20:56,116 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:20:56,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:20:56,117 INFO L85 PathProgramCache]: Analyzing trace with hash 2122434847, now seen corresponding path program 1 times [2021-11-12 23:20:56,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:20:56,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419927372] [2021-11-12 23:20:56,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:56,122 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:20:56,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:20:56,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:20:56,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:21:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:21:00,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 1913 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:21:00,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:21:00,965 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-11-12 23:21:00,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:21:01,542 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-11-12 23:21:01,542 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:21:01,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419927372] [2021-11-12 23:21:01,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419927372] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:21:01,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:21:01,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-11-12 23:21:01,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283699300] [2021-11-12 23:21:01,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:21:01,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:21:01,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:21:01,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:21:01,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:21:01,546 INFO L87 Difference]: Start difference. First operand 121 states and 165 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-12 23:21:01,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:21:01,876 INFO L93 Difference]: Finished difference Result 226 states and 319 transitions. [2021-11-12 23:21:01,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:21:01,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 107 [2021-11-12 23:21:01,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:21:01,887 INFO L225 Difference]: With dead ends: 226 [2021-11-12 23:21:01,888 INFO L226 Difference]: Without dead ends: 124 [2021-11-12 23:21:01,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:21:01,893 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 42 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 229.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.86ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 281.76ms IncrementalHoareTripleChecker+Time [2021-11-12 23:21:01,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 389 Invalid, 53 Unknown, 0 Unchecked, 6.86ms Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 281.76ms Time] [2021-11-12 23:21:01,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-12 23:21:01,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-11-12 23:21:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 76 states have (on average 1.2105263157894737) internal successors, (92), 78 states have internal predecessors, (92), 38 states have call successors, (38), 8 states have call predecessors, (38), 9 states have return successors, (45), 37 states have call predecessors, (45), 37 states have call successors, (45) [2021-11-12 23:21:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2021-11-12 23:21:01,930 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 107 [2021-11-12 23:21:01,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:21:01,931 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2021-11-12 23:21:01,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-12 23:21:01,932 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2021-11-12 23:21:01,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-12 23:21:01,943 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:21:01,944 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:21:01,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:21:02,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:21:02,146 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:21:02,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:21:02,146 INFO L85 PathProgramCache]: Analyzing trace with hash -924186918, now seen corresponding path program 1 times [2021-11-12 23:21:02,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:21:02,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1673480862] [2021-11-12 23:21:02,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:21:02,150 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:21:02,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:21:02,156 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:21:02,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1a75d9-61f0-44f8-86a4-ed9897dc6a91/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:21:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:21:06,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 1917 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-12 23:21:06,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:21:07,526 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:21:07,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 99 treesize of output 35 [2021-11-12 23:21:08,166 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-12 23:21:08,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:21:09,604 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-11-12 23:21:09,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 129 treesize of output 1 [2021-11-12 23:21:20,185 WARN L227 SmtUtils]: Spent 10.16s on a formula simplification. DAG size of input: 523 DAG size of output: 269 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-12 23:21:20,192 INFO L354 Elim1Store]: treesize reduction 837, result has 46.8 percent of original size [2021-11-12 23:21:20,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 128 treesize of output 771